soil pipe
汙水管
Soil, n.
1. The upper stratum of the earth; the mold, or that compound substance which furnishes nutriment to plants, or which is particularly adapted to support and nourish them.
2. Land; country.
Must I thus leave thee, Paradise? thus leave
Thee, native soil? --Milton.
3. Dung; faeces; compost; manure; as, night soil.
Improve land by dung and other sort of soils. --Mortimer.
Soil pipe, a pipe or drain for carrying off night soil.
Soil pipe. A pipe or drain for carrying off night soil.
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soil pipe
n : drain that conveys liquid waste from toilets, etc.